The sampling method is to dig the soil section plane in each sampling spots, 10 cm is the space between two collect the section sample.

 
  • 采樣方式是根據布設好的采樣點(diǎn),在各個(gè)采樣點(diǎn)先挖土壤刨面,以10cm為間距采集剖面樣品。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan